2.5.14 Connecting a Limit switch override push buttonDANGERThe Limit switch override is used to disconnect safety limitations. Make sure theLimit switch override function is not active longer than absolutely necessary.If the option SafeMove is implemented, Limit switch override must never be usedat all. The SafeMove safety controller has its own override function.GeneralThe override circuit enables the possibility to jog an axis out of a forbidden (limited)zone.LimitationsThe switch has to be placed inside the controller to eliminate the risk of electricalnoise.Required equipmentNoteArt. noEquipmentABB CW Control3SFA 611 610 R1001Contact block (2 pcs)ABB CW Control1SFA 611 102 R1105Push button3HAC021085-001Connector X23Cable AWG 20 BlueWireThis is detailed in sectionStandard toolkit, IRC5 onpage 229.Standard toolkitSee Circuit diagrams onpage 249.Circuit diagramNoteThe parts needs to be ordered separately from ABB and are not part of an optionpackage.ProcedureThe following procedure details how to connect a Limit switch override circuit inthe controller.Note/illustrationActionDANGERBefore any work inside the IRC5 controllerplease observe the safety information insection Make sure that the main power hasbeen switched off on page 25.1Continues on next page92 Product manual - IRC5 Panel Mounted Controller3HAC047137-001 Revision: J© Copyright 2007-2018 ABB. All rights reserved.2 Installation and commissioning2.5.14 Connecting a Limit switch override push button
